Add slices and arrays

emacampolo · Nov 6, 2019 · 1939a84 · 1939a84
1 parent 1a70270
commit 1939a84
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Showing 7 changed files with 25 additions and 4 deletions.
diff --git a/slides/array.png b/slides/array.png
diff --git a/slides/pointer/array/array.go b/slides/pointer/array/array.go
@@ -10,7 +10,7 @@ func main() {
 		friends[1] = "Jack"
 
 		if i == 1 {
-			fmt.Printf("After[%s]\n", friends[1])
+			fmt.Println(friends[1])
 		}
 	}
 }
diff --git a/slides/pointer/slices/slices.go b/slides/pointer/slices/slices.go
@@ -8,6 +8,6 @@ func main() {
 
 	for i := range friends {
 		friends = []string{}
-		fmt.Printf("v[%s]\n", friends[i])
+		fmt.Println(friends[i])
 	}
 }
diff --git a/slides/slice.png b/slides/slice.png
diff --git a/slides/slide.slide b/slides/slide.slide
@@ -172,6 +172,27 @@ _Bottom_line_: When in doubt, use value semantics
 
 * Arrays
 
+* Arrays
+
+    var a [4]int
+
+.image array.png _ 1000
+
+* Slices
+
+    s := make([]byte, 5)
+
+.image slice.png 500 1000
+
+* For-range mechanics
+
+    // Value semantic of the for range
+    for i, _ := range c
+    for _, value := range c
+
+    // Pointer semantic of the for range
+    for i := range c
+
 * Arrays - Value semantics
 
 .play -edit value/array/array.go

diff --git a/slides/value/array/array.go b/slides/value/array/array.go
@@ -10,7 +10,7 @@ func main() {
 		friends[1] = "Jack"
 
 		if i == 1 {
-			fmt.Printf("After[%s]\n", v)
+			fmt.Println(v)
 		}
 	}
 }
diff --git a/slides/value/slices/slices.go b/slides/value/slices/slices.go
@@ -8,6 +8,6 @@ func main() {
 
 	for _, v := range friends {
 		friends = []string{}
-		fmt.Printf("[%s]\n", v)
+		fmt.Println(v)
 	}
 }